2. A 30-year maturity, 10% coupon bond paying coupons semiannually is callable in 15 years at a call price of $1,100. The bond currently sells at a yield to maturity of 8% (4% per half-year). a. What is the yield to call? b. What is the yield to call if the call price is only $1,050? c. What is the yield to call if the call price is $1,100, but the bond can be called in 10 years instead of 15 years